Fixes encodings in vcxproj files and adds script to automatically do it. (#1631)

diff --git a/PCbuild/_overlapped.vcxproj b/PCbuild/_overlapped.vcxproj
index 8cf8a86..26b2d21 100644
--- a/PCbuild/_overlapped.vcxproj
+++ b/PCbuild/_overlapped.vcxproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">